2784812

Information

• Patent Grant
• 2784812

• References
• Source

• Patent Number

  2,784,812

• Date Filed

  Not available

• Date Issued

  Tuesday, March 12, 1957
  68 years ago

• CPC

  • A47B96/1475 - and perforations
  • E04B1/58 - of bar-shaped building elements
  • F16B7/18 - using screw-thread elements
  • F16B12/32 - using clamps, clips, wedges, sliding bolts, or the like
  • E04B2001/405 - Brackets
  • Y10T403/1691 - Means to lock bolt or nut when other is turned
  • Y10T403/32442 - At least one discrete position

• US Classifications

  • 403 - Joints and connections
  • 052 - Static structures
  • 211 - Supports: racks
  • 248 - Supports
  • D25 - Building units and construction elements